Surface Wall Mount 24V Conventional Heat Pump System Single Multi Stage HVAC Thermostat

Surface Wall Mount 24V Conventional Heat Pump System Single Multi Stage HVAC Thermostat
>> General                                                      
HTW-81-FN7 Series Multi-Stage Digital Thermostat is a device for indoor temperature control. It is mainly applied to heat pump system for heating/cooling, with 3 modes easily switchable: Schedule, Hold and Holiday. The device is of high reliability and practicability,and it can support up to 3H/2C system.
>>Features                                                      
--Elegant design with 4.3" LCD display
-- Individual programming Schedules:7 days*4 time periods
-- Tempered glass panel with capacitive touch buttons
-- NTC thermistor

>>Specification                                               
>>Power supply: AC24V, 50Hz
>>Power dissipation:2W Dimension: 136*94*26mm Output: <1A (Resistant load)

>>Temperature range: 41ºF -99ºF (5ºC -37ºC)
>>Display accuracy: ±0.5 ºC
>>Wiring: Terminals
 >>Installation dimension: 60mm / 82mm (hole pitch)
>>Application                                                   

 >>1H/1C (conventional) 
 >>1H/2C (conventional) 
 >>2H/2C (conventional) 
 >>2H/1C (conventional) 
 >>1H/1C (heat pump) 
 >>2H/1C (heat pump) 
 >>2H/2C (heat pump) 
 >>3H/2C (heat pump)

>>Wiring Diagram                                            


>>Wiring Diagram                                 
 >>Terminal Instruction                                

Terminals					Explanation			Remark
RC				Cooling power (two transformers)			Joined with R by jumper (one transformer)
	R			Heating power (two transformers)			Joined with RC by jumper (one transformer)
W (O/B)					Heat output		Changeover valve output (heat pump)
	Y				Cool output		Compressor output (heat pump)
	G				Fan output
	C				24VAC common		Connect only when AC power
Y2					Cool output 2		2nd stage compressor output (heat pump)
W2(AUX)					Heat output 2		Auxiliary heat output (heat pump)

>>Controlling Type Configuration              
 

No.					Type		Terminals		Wiring	Compressor delay
0.0			1H/1C (conventional)				R,G,W,Y		Diagram	none
1.0			1H/2C (conventional)				R,G,W,Y,Y2			none
									conventional
2.0			2H/2C (conventional)				R,G,W,Y,W2,Y2			none
									systems
3.0			2H/1C (conventional)				R,G,W,Y,W2			none
4.0			1H/1C (heat pump)				R,G,O/B,Y			1 min (default)
5.0			2H/1C (heat pump)				R,G,O/B,Y,AUX		Diagram heat	1 min (default)
									pump systems
6.0			2H/2C (heat pump)				R,G,O/B,Y,Y2			1 min (default)
7.0			3H/2C (heat pump)				R,G,O/B,Y,AUX,Y2			1 min (default)

 --Note: Before operation, pls set the controlling type based on the real situation by referring to the Secret Menu (last page) and following the instruction.
 
                                                  
>>FAQ                                                                

Q1:What is the unit price?
A.:The unit price varies according to different specific requirements, we are more than pleased to quote you the best price once
get your specific application. e.g. W/O Modbus, W/O key-card, 2/4 pipe system, W/O customized programming...
Anyway, we are always ready to discuss details with you via Email.

Q2:What is the MOQ, small quantities accetaple?
A.: Commonly the MOQ for us is 500pcs, however, we also accept small quantities or Sample orders as starting.

Q3:How is your products' quality and warrenty?
A.:All of our products meet EU standards, samples are available for quality evaluation; all products are with 18 months warrenty.

Q4:Can I print my logo on the products, and customize my own designed packing?
A.:100% YES, but the order quantity shall be over MOQ, or else, extra costs will be charged.

Q5:Do you supply OEM or ODM? 
A.:Yes, we have strong R&D sources and production ability, and already helping many international companies OEM/ODM cases with highly positive feedback.

Q6:Why should I buy products from your company?
A.:That's really a good question, Quality Products but with Competitive Price, Timely Delivery, Professional and Fast Reacton, ...
In a word, WE ARE DIFFERENT, why not just try from the Email...