Carel gaSteam UG045 - Page 36

ENG
Fig.4.h
Steam production can be started by:
HUMIDISTAT (ON/OFF operation):
l connect terminals 1U and 2U (production request) to a humidistat;
l short-circuit terminals 7U and 8U (jumper) to enable production;
l to enable ON/OFF operation, set:
Index Parameter Description
Ea01 Type of control External ON/OFF signal
Ea04 Maximum production 25-100% of rated production
Tab.4.d
Fig.4.i
HUMIDISTAT and REMOTE CONTACT (ON/OFF operation)
l connect terminals 1U and 2U (production request) to a humidistat;
l connect inputs 7U and 8U (enable) to a remote contact (e.g.: switch, timer,...);
l to enable ON/OFF operation, set:
Index Parameter Description
Ea01 Type of control External ON/OFF signal
Ea04 Maximum production 25-100% of rated production
Tab.4.e
Fig.4.j
Steam production can be enabled and controlled by:
EXTERNAL PROPORTIONAL CONTROLLER (modulating operation)
l short-circuit terminals 7U and 8U (jumper) to enable production;
l connect terminals 1U and 2U (production request) to an external controller;
l to enable control, set:
36|4. Electrical connections
gaSteam - UG +0300090EN rel. 1.2– 09.10.2018