29
Pos.
Designation
t-E
Circulation pump, heat exchanger, defrosting/residual heat, water
z-P
3-way mixer, secondary high temperature maintenance
z-Q
Brine sensor drip pan air/brine heat exchanger
u-P
Heating/cooling circuit HC4
u-Q
Flow temperature sensor HC4
u-W
Temperature limiter HC4
u-E
3-way diverter valve, heating/cooling HC4
u-R
Heating circuit pump HC4
u-T
3-way mixer HC4
u-Z
Contact humidistat HC4
o-P
Stem heater, 2-way motorised damper
rYT
o-Q
Stem heater, 3-way mixer
r-T
o-W
Stem heater, 2-way motorised damper
rYR
o-E
Stem heater, 2-way motorised damper
uP
o-R
Stem heater, 2-way motorised damper
t-P
o-T
Stem heater, 2-way motorised damper
rXQ
o-Z
Stem heater, 3-way mixer
iT
Valve switching state on delivery
Hydraulic connection requirements, hydraulic module defrost box
■
Make on-site hydraulic connections stress-free.
■
Apply anti-vibration fixings to hydraulic lines and
installations.
Hydraulic diagram
AB
A
B
/
/
Fig. 20
A
Heating water buffer cylinder (inlet)
B
Heating water buffer cylinder (outlet)
C
Air/brine heat exchanger (outlet)
D
Heat exchanger (evaporator inlet)
E
Heat exchanger (evaporator outlet)
F
Air/brine heat exchanger (inlet)
G
2-way motorised damper air/brine heat exchanger
residual heat
H
3-way mixer, defrosting/residual heat heat
exchanger, brine
K
2-way motorised damper, air/brine heat exchanger
defrosting
L
2-way motorised damper, residual heat source
Preparing for installation
Hydraulic connection requirements
(cont.)
5837251
Installation
