Instruction/ maintenance manual of the product GG-90 Sterling
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(S) DSGG-IOM-1 J30-08511 INST ALLER'S RESPONSIBILITY Installer Please Note: This equipment has been test fired and inspected. It has been shipped free from def ects from our f actor y . Howe ver , shipment and installation problems such as loose wires , leaks, or loose f asteners ma y occur .
2 T ABLE OF CONTENTS The f ollowing terms are used throughout this manual, in addition to the ETL requirements to bring attention to the presence of potential hazards, or to important information conc.
3 GENERAL SAFETY INFORMA TION Failure to compl y with the general safety inf ormation may result in e xtensive property damage, severe personal injury , or death. This product m ust be installed by a licensed plumber or gas fi tter when installed within the Commonwealth of Massachusetts.
4 T ab le 1 - Perf ormance and Dimensional Data - T ubular 30 thru 120 Pr opeller Unit Heater Unit Size 30 45 60 75 90 105 120 PERFORMANCE D A T A† Input - BTU/Hr . 30,000 45,000 60,000 75,000 90,000 105,000 120,000 (kW) (8.8) (13.2) (17.6) (22.0) (26.
5 Figure 2 - Dimensional Drawing – T ubular 30 thru 120 Pr opeller Unit Heater DIMENSIONS .XXX ST ANDARD UNITS DIMENSIONS IN P ARENTHESIS (XXX) MILLIMETERS.
6 INST ALLA TION Do not install unit heaters in corrosive or fl ammable atmospheres! Premature failure of, or severe damage to the unit will result! A void locations where extreme drafts can affect b urner operation. Unit heaters must not be installed in locations where air for comb ustion would contain chlorinated, halogenated or acidic vapors.
7 INST ALLA TION (continued) The Unit Heater ma y be mounted by f astening the hanging brack ets directly to ceiling joists or by suspending from f our rods.
8 GAS PIPING T o a void dama ge or possible personal injury , do not connect gas piping to this unit until a supply line pressure/leak test has been completed. Connecting the unit before completing the pressure/leak test may dama ge the unit gas valve and result in a fi re hazard.
9 Do not over tighten the inlet gas piping into the valve. This ma y cause stresses that will crack the v alve! NO TICE: Use pipe joint sealant resistant to the action of liquefied petroleum gases regar dless of gas conducted. Check all pipe joints f or leakage using a soap solution or other appro ved method.
10 HAZARDOUS V OL T A GE! DISCONNECT ALL ELECTRIC PO WER INCLUDING REMO TE DISCONNECTS BEFORE SER VICING. Failure to disconnect power bef ore servicing can cause severe personal injury or death. Standard units are shipped f or use on 115 volt, 60 hertz, single phase electric power .
11 ELECTRICAL CONNECTIONS (continued) Figure 11A - Honeywell Contr ol Board Figure 10A - UT Control Boar d.
12 ELECTRICAL CONNECTIONS (continued) Figure 10B - T ub ular Propeller Units 30-120 with Natural and Propane (LP) Gas with Single Stage Gas Control and UT Control Boar d NO TICE: See Figures 7, 8, 9, 10B, 10C, 11B and 11C for connecting the thermostat to the unit heater .
13 Figure 10C - T ub ular Propeller Units 60-120 with Natural and Propane (LP) Gas with Optional T w o Stage Gas Control and UT Control Boar d ELECTRICAL CONNECTIONS (continued) NO TICE: See Figures 7, 8, 9, 10B, 10C, 11B and 11C for connecting the thermostat to the unit heater .
14 ELECTRICAL CONNECTIONS (continued) Figure 11B - T ub ular Propeller Units 30-120 with Natural and Propane (LP) Gas with Single Stage Gas Control and Honeywell Contr ol Board NO TICE: See Figures 7, 8, 9, 10B, 10C, 11B and 11C for connecting the thermostat to the unit heater .
15 Figure 11C - T ub ular Propeller Units 30-120 with Natural and Propane (LP) Gas with Optional T w o Stage Gas Control and Honeywell Contr ol Board ELECTRICAL CONNECTIONS (continued) NO TICE: See Figures 7, 8, 9, 10B, 10C, 11B and 11C for connecting the thermostat to the unit heater .
16 VENTING* All unit heaters m ust be vented! All V enting installations shall be in accordance with the latest edition of P ar t 7, V enting of Equipment of the National Fuel Gas Code , ANSI Z223.1, or applicable pro visions of local building codes .
17 VENTING - GENERAL GUIDELINES V enting Categories Non Condensing Condensing Negative V ent I II Pressure P ositive V ent III IV Pressure The f ollowing guidelines apply to all categories to f ollow . T ab le 4 Do not damper or add heat recov er y devices to the fl ue piping.
18 4 . Slope horizontal runs upward from the gas unit heater at least 1/4-inch per f oot (21mm/m) minimum. Horizontal V ent Connector length should not e xceed 75% of the vertical height of the vent pipe f or single wall, or 100% of the v er tical height f or B-V ent connectors .
19 T ab le 5 - Category I Horizontal V enting Requirements - Standard Comb ustion V ent Maxim um Number Maxim um Horizontal Minim um Extension Unit Diameter Elbows V ent Length V er tical Rise Distance Size (in) * (Ft.
20 Figure 14 - V ent Support D- 068 39A.
21 HORIZONT ALL Y VENTED , CA TEGOR Y III - Figure 15 Obser v e the follo wing precautions when venting the unit: 1. Use fl ue pipe of the same siz e as the fl ue connection(s) on the gas unit heater , 4" (102mm). All heaters must be v ented with a single or double w all pipe listed f or categor y III positive pressure vent systems .
22 VER TICALL Y VENTED , CA TEGOR Y III – Figure 17 & 19 Obser v e the follo wing precautions when venting the unit: 1. Use fl ue pipe of the same size as the fl ue connection(s) on the gas unit heater , 4" (102mm). All heaters must be v ented with a single or double w all pipe listed f or positive pressure v ent systems.
23 Figure 15A - Category III Horizontal V enting Requirements Using Single W all V ent Pipe Figure 15B - Category III Horizontal V enting Requirements Using T ype B Double W all V ent Pipe Figure 15C .
24 Figure 16 Figure 17 VENTING (continued).
25 VENTING (continued) Figure 18 Figure 19.
26 INST ALLA TION - VENTING – CA TEGOR Y III COMBUSTION AIR VENTING AND PIPING Never operate unit heater s without combustion air and flue gas piping in place or severe per sonal injury or death may occur! CARBON MONO XIDE! Y our venting system must not be bloc ked by any sno w , sno w drifts, or any f oreign matter .
27 VENTING (continued) 4. Use single wall pipe constructed of 26 GA galvaniz ed steel or a material of equivalent durability and corrosion resistance f or the vent system.
28 Figure 22 - V ertical Intake/V ent Installation Figure 21 - Concentric V ent Installation.
29 Figure 23 - Horizontal Intake/V ent Installation Figure 24 - Horizontal Intake/V ent Installation VENTING (continued) Vent Terminal (1.8M Min.) Adjacent Building D 3330 6'-0" Min.
30 VENTING (continued) AIR INLET COLLAR Remov e screen and mounting plate from air inlet on rear panel of unit by remo ving 4 screws . Secure inlet collar and gasket to inlet opening re-using the 4 scre ws remov ed in step one. EXHA UST AIR COLLAR Secure 5-4” reducer to flue collar on rear panel of unit sizes 090, 105 and 120.
31 OPERA TION PO WER VENTED PROPELLER UNITS DIRECT SP ARK IGNITION EXPLANA TION OF CONTROLS (See Figure 25): 1 . Each Unit Heater comes equipped with a power vent system that consists of a po wer venter motor and blo wer , pressure s witch, and sealed flue collector in place of the conv entional draft diverter .
32 PRIMAR Y AIR SHUTTER ADJUSTMENT Primar y air adjustment is made at the factory . No fi eld adjustments are necessary . GAS INPUT RA TE Check the gas input r ate as follo ws (Refer to General Saf ety Information section f or metric conversions).
33 9.3 9.2 9.0 8.9 8.7 8.5 8.3 8.1 NA TURAL GAS MAINTENANCE PERIODIC SER VICE 3. Remov e ser vice access panel. 4. T o clean or replace the burner , remove retainer from around manif old orifi ce, disconnect fl ame sensor and igniter from control board, remov e bur ner assemb ly mounting screws .
34 1. Check f or proper or ifi ce size . Refer to “Operation”. 2. T est and reset manifold pressure. 1. Replace orifi ce . 2. T est and reset manifold pressure. 1. Clean main burner por ts. 2. Align manifold assemb ly . 3. Clean combustion air inlet openings.
35 1. Relocate thermostat awa y from outside wall or drafts . 2. Check thermostat circuit for open and close on terminal str ip on heater “R” and “W”. 3. Check thermostat circuit for shorts “staples piercing wires”. 4. Check f or 24v on gas valve terminals when thermostat is not calling.
36 1. Incorrect manifold pressure or input. 1. Unit is ov er fi red. 2. Air fl ow is lo w . 3. Defectiv e switch. 4. Defectiv e control board. 1. Loose wiring or connections. 2. Motor ov erload is tr ipped or bad motor . 3. Bad control board. 1. P ower venter improperly wired.
37 Line v oltage power can cause product dama ge , severe injury or death. Only a trained e xperienced service technician should perform this tr ouble- shooting. 1. Check the system thermo- stat to make sure it is call- ing f or heat. (Do not cycle the thermostat on and off at this time.
38 T ab le 10B - T roub leshooting with LED Indicator Assistance for Hone ywell Control Boar d Not Applicable Not Applicable 1. Check pressure s witch to see if open to star t, if not replace switch. 2. Air fl ow s witch jumpered. Remove jumper and chec k operation.
39 IDENTIFICA TION OF P ARTS RESIDENTIAL TUBULAR 30-120 MBH UNIT SIZES 1 V estible P anel/T ube Assembly (Heat Exchanger) 2 Br acket/Gas T rain 3 Manif old 4 Burner Assembly 5 *Standard Orifi ce Natu.
40 IDENTIFICA TION OF P ARTS RESIDENTIAL TUBULAR 30-120 MBH UNIT SIZES Figure 28 - Internal Furnace Components Figure 26 - Propeller P ar ts Figure 27 - Component P ar ts Figure 29 - P ower V entor Assembl y D4810 NO TE: No rubber grommets are supplied with the 30 and 45 unit sizes.
41 HO W T O ORDER REPLA CEMENT P ARTS Please send the f ollowing inf or mation to your local representativ e: if fur ther assistance is needed, contact the manuf acturer's customer ser vice depar tment.
42 11 - Supply V olta ge [SV] 1 - 115/1/60 4 - 208/3/60 7 - 575/3/60 2 - 208/1/60 5 - 230/3/60 Z - Other 3 - 230/1/60 6 - 460/3/60 Note: Supply V oltage [SV] 2 thru 7 includes a fi eld mounted step do wn transf ormer.
43 Customer ____________________________________ Job Name & Number _________________________ PRE-INSPECTION INFORMA TION With power and gas off. T ype of Equip: Unit Heater Serial Number _________.
www .ster linghv ac.com HV A C PRODUCTS 260 NOR TH ELM ST ., WESTFIELD , MA 01085 TEL: (413) 564-5540 F AX: (413) 562-5311.
An important point after buying a device Sterling GG-90 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Sterling GG-90 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Sterling GG-90 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Sterling GG-90 you will learn all the available features of the product, as well as information on its operation. The information that you get Sterling GG-90 will certainly help you make a decision on the purchase.
If you already are a holder of Sterling GG-90, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Sterling GG-90.
However, one of the most important roles played by the user manual is to help in solving problems with Sterling GG-90. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Sterling GG-90 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
