Trane SINTESIS ADVANTAGE CGAF Series Installation Operation & Maintenance page 58

Total Heat Recovery
Figure 16 – Refrigerant Schematic THR option
THR should not be used for glycol application
on evaporator side. Minimum THR start-up water
temperature should be higher than 5°C. THR should be
used when leaving evaporator temperature is between 5
and 15.5°C.
Table 10 – Operating Map (THR) CGAF 080-190
Application
Min. outdoor air temperature
Max. outdoor air temperature
Min. leaving evaporator water
temperature
Max. leaving evaporator
water temperature
Min. leaving THR water
temperature
Max. leaving THR water
temperature
Figure 17 – Total Heat Recovery Operation Map
60.0
50.0
40.0
30 , 33.0
30.0
20.0
10.0
30 , 7.2
-
25 30 35
58
Standard
High ambient
ambient
(°C) (°C)
7.2 7.2
49 52
4.4 4.4
15.6 15.6
30 30
55 55
49 , 52.0
55 , 52.0
55 , 7.2
40 45 50 55
THR LWT (C)
THR 3-Way Valve Description
The 3-way valve is divided into 2 mains parts: the
actuator and the valve body.
Valve body
2 types of valve are used (DN50, DN65) with a Kvs
respectively of 40, **.
Kvs –value is showing the capacity of media flow of a
valve, it characterizes the volume flow (m 3 /h) of water
by measuring a differential pressure (bar). This value is
related to full stroke.
The 3-way valve body is connected to the system in 3
points A, B, AB as below:
Actuator Overview
- Supply voltage: 24 Vac
- Actuator setting
• W1(input signal failure): 100%, actuator will
adjust to 100% position when signal input fails
(THR BP bypassed)
• W2(input signal range): LED "OFF" for 2~10V
• W3 (direction of action): LED "ON" 2V for A-AB
close, 10V for A-AB full open
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CG-SVX039C-GB