Instruction/ maintenance manual of the product T8401C1031 Honeywell
Go to page of 8
® U.S. Regi stered T rademar k Copyright © 2002 Honeywell • • All Righ ts Reserved INSTALLATION INSTRUCTIONS 69-1484-2 T8400C1099, T8401C1031 Electronic Thermostats The T8400 and T8 401 Thermostats provide single- stage, non-program mable temper ature control for 24V heat ing- cooling s ystems wi th manual c hangeover from heat to cool.
T8400C1099, T8401C103 1 ELECTRONI C THERMOSTATS 69-1484-2 2 Fig. 1. T ypical lo cation of thermost at. Fig. 2. Moun ting wallplate to wall. Setting Fan Operatio n (Fuel) Switch The fan oper ation (fuel) switc h is preset at the factory in the F position.
T8400C1099, T8 401C1031 ELE CTRONIC THER MOSTATS 3 69-1484-2 Fig. 4. R estrict wiri ng to shad ed area (T8400C10 99 shown). Fig. 5. Wi ring connectio ns (T8400C 1099 shown). Fig. 6. T ypical ho okup of T8400C1 099 in heat-c ool system wit h single tran sformer .
T8400C1099, T8401C103 1 ELECTRONI C THERMOSTATS 69-1484-2 4 Fig. 9. T ypical ho okup of T8401C1 031 in heat-c ool system. Fig. 10. T ypica l hookup of T840 1C1031 in sin gle- stage heat pump s ystem. Mounting Thermostat to Wallplate 1. Engage the tabs at the top of the thermostat and wallplate.
T8400C1099, T8 401C1031 ELE CTRONIC THER MOSTATS 5 69-1484-2 SYSTEM Switch System swi tch setti ngs contr ol thermos tat op eratio n as follows: Cool: The thermo stat controls the coo ling system. Off: Both heati ng and cool ing are of f. Heat: The the rmostat controls the he ating system.
T8400C1099, T8401C103 1 ELECTRONI C THERMOSTATS 69-1484-2 6 NOTE: In installer setup mo de only , e ach press of th e ▲ key momentarily display s 01. Each press of the ▼ key momentarily displays 02 . When the keys are relea sed, these two- digit codes ar e no longer di splayed.
T8400C1099, T8 401C1031 ELE CTRONIC THER MOSTATS 7 69-1484-2 3. Press the ▲ key to raise the tempera ture sett ing above the roo m temperature . Cooling system should shut do wn. NOTE: T o bypass the five-minute delay , see the Optional System C heckout section.
69-1484-2 G .H. Rev . 1 1-02 Printed in Me xico www .honeywell.com/yourhome T8400C1099, T8401C103 1 ELECTRONI C THERMOSTATS Automation and Control Solu tions Honeywell Honeywell Limite d-Honeywell Lim.
An important point after buying a device Honeywell T8401C1031 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Honeywell T8401C1031 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 Honeywell T8401C1031 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Honeywell T8401C1031 you will learn all the available features of the product, as well as information on its operation. The information that you get Honeywell T8401C1031 will certainly help you make a decision on the purchase.
If you already are a holder of Honeywell T8401C1031, 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 Honeywell T8401C1031.
However, one of the most important roles played by the user manual is to help in solving problems with Honeywell T8401C1031. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Honeywell T8401C1031 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
