Instruction/ maintenance manual of the product 50VS Carrier
Go to page of 24
Manufacturer reserves the right to disco ntinue, or change at any time, specifications or de signs without notice and without inc urring obligations. Catalog No . 04-53500046-0 1 Printed in U. S.A. F orm 50VS-1SI Pg 1 311 10-08 Replaces: Ne w Installation, Star t-Up , and Ser vice Instr uctions CONTENTS Page SAFETY CONSIDERA TIONS .
2 INST ALLA TION Step 1 — Check Jobsite — Installation, operation and maintenance instructions are pr ovided with each unit. Before unit start-up, read all manuals and become familiar with the unit and its operation. Thoroughly check out the system before operation.
3 2 1/4" 2 3 / 8 " 5 5/ 8 " 55 1/2" 3 " 10" 12" 6 1/ 8 " 1 3 1 3 /16" 65 1/4" S WAGE FILTER S UPPLY GRILLE RETURN S UPPLY DRAIN OPTIONAL 24V THERMO S .
4 NO TES: 1. Single deflection grilles include adjustable v er tica l b lades f or controlling horizontal path of discharge. 2. Double deflection grilles include adjustab le ver tical and horizontal blades f or controlling horizontal and vertical path of discharge air (recommended).
5 NO TES: 1. The opposed blade damper allows control of air v olume (cfm) and path of discharge air . Recommended for applica- tions requir ing unequal airflow or side discharge gr ille(s) with additional top discharge air o pening. 2. Dimensions are in inches.
6 S T ANDARD PERIMETER BYP A SS ALLEN LOCK, REMO V ABLE OPTIONAL PERIMETER BYP A SS ALLEN LOCK OR KEY LOCK, HINGED OPTIONAL LOUVERED ALLEN LOCK, REMO V ABLE 21.
7 S T ANDARD PERIMETER BYP A SS ALLEN LOCK, REMO V ABLE OPTIONAL PERIMETER BYP A SS ALLEN LOCK OR KEY LOCK, HINGED OPTIONAL LOUVERED ALLEN LOCK, REMO V ABLE 6 3 .
8 Step 2 — Chec k Unit — Upon receipt of shipment at the jobsite, carefully check the shipment against the bill of lading. Make sure all units have been received.
9 The direct return system shows the most common piping ar- rangement. This is the most cost ef fective method of piping to install since the water is supplied and returned to a riser column at the same place, at the bottom or top of the building.
10 All riser modifications necessitated by variations in floor-to- floor dimensions including cutting of f or extending risers is the sole responsibility of the installing contractor . Additional expansion compensation must be made in the riser system in the field where movement is expected to exce ed the factory allowances.
11 6. When all units on a riser are anchored into place, com- plete riser joints as follows: a. V erify that all riser joints are vertically aligned and that risers penetrate at least 1 in. into the swaged joint of the riser below . DO NOT let riser joint bot- tom out.
12 In areas with extremely hard water , the owner should be in- formed that the heat exchanger may require additional system maintenance and occasional acid flushing. W ater Supply and Quality — Check water supply . W ater sup- ply should be plentiful and of good quality .
13 Step 6 — Wire Field P ower Suppl y Connections ELECTRICAL–LINE V OLTAGE — A ll fie ld -in st al le d wir - ing, including electrical ground, must comply with the National Electrical Code (NEC) as well as all applicable local codes. Re- fer to T ables 4 and 5 for fuse si zes.
14 BLO WER SPEED WIRING Unit Orange Bro wn Black Blue Red 50VSA,B Low Hig h — — — 50VSC,D —L o w H i g h — — 50VSE,F — — Lo w High — 50VSG,H ——— L o w H i g h 50VSI,J Low Hig h — — — 50VSK,L — — Low High — 50VSM,N ——— L o w H i g h a50-8352 NO TES: 1.
15 Step 7 — Wire Field Contr ol Connections ST ANDARD 24-V THERMOSTAT CONNECTIONS — The thermostat should be wired directly to the microprocessor board terminals labeled P1 to the corresponding terminals (R,C,Y1,Y2,O,G).
16 Table 8 — Braided Water Hose Be nd Allowances NO TE : Do not allow hoses to rest against shar p edges or structural building components. Compressor vi br a tion ma y cause hose f ailure and vibration transmission through the hoses to the structure, caus- ing noise complaints .
17 Step 12 — Install Supply Grille Refer to Fig. 2, 3, and 12 to determine grille size and location based on the type and size of the unit cabinet/chassis combina- tion. Perform the following to install supply grilles over the cabinet discharge openings.
18 Table 9 — Limits of Operatio n LEGEND * Requires additional insulation when operating below the dew point. 4. Unit fan: Manually rotate fan to verify free rotation and ensure that blower wheel is secured to the motor shaft. Be sure to remove any shipping supports if needed.
19 to determine the unit error . If a digital communicating ther mo- stat is used DIP switch 3 must be set in the “Off” position. If a 24-vac thermostat is used set DIP switch 3 into the “On” position.
20 f. Turn thermostat to “OFF” position. A hissing noise indicates proper functioning of the reversing valve. g. All ow 5 minutes between te sts for pressure to equalize before beginning heatin g test. h. Adj ust the thermostat to the lowest setting.
21 SER VICE W ater Coil Maintenance CLOSED LOOP SYSTEM (All Other W at er Loop Applica- ti on s ) — Generally water coil maintenance is not needed for closed loop systems.
Manufacturer reserves the right to disco ntinue, or change at any time, specificatio ns or designs without notice and without inc urring obligations. Catalog No .
CL-1 ST A R T -UP CHECKLIST CUSTOMER: ___________________________ JOB NAME: _______________________________________ MODEL NO.:___________________________ SERIAL NO.
Manufacturer reserves the right to disco ntinue, or change at any time, specificatio ns or designs without notice and without inc urring obligations. Catalog No .
An important point after buying a device Carrier 50VS (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Carrier 50VS 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 Carrier 50VS - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Carrier 50VS you will learn all the available features of the product, as well as information on its operation. The information that you get Carrier 50VS will certainly help you make a decision on the purchase.
If you already are a holder of Carrier 50VS, 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 Carrier 50VS.
However, one of the most important roles played by the user manual is to help in solving problems with Carrier 50VS. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Carrier 50VS 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
