94 EN/06.2019/G57 © STULZ GmbH – all rights reserved
C7000 INSTRUCTIONS fOR a/C UNITS
Legend:
Tw - Water temperature
TRTset - Room temperature set point
TGEoff - upper water temperature limit for GE-operation
Twmin - lower water temperature limit for dehumidification
Twmax - upper water temperature limit for dehumidification
*Water temperature limits:
T
w < TRTset and
T
w < TGEoff and
T
wmin < Tw < Twmax
- Opens the CW valve to 100%
- Reduces the fan speed
- no dehumidification
- Compressor start
- Closes the dehumidifica-
tion valve
- Compressor
start
- Reduces the
fan speed
- Compressor start
- Sends the new superheat setpoint
to the EEV
- Reduces the fan speed after the
lapse of "Time until dehumidifiction
reduction"
no
no
no
no
no
no
yesyes
yes
yes
yes
yes
yes
GE/
CW-valve configu-
red ?
Water
temperature sensor
configured ?
Water
temperature within
the limits ?*
Cooling priority = 0
(GE) or 2 (DX) ?
Dehu-
midification valve
configured ?
Elec-
tronical expansion
valve configured
?
Cooling priority = 0
(GE) or 1 (CW) ?
The procedures of the controller are displayed in detail in the scheme below.