44
Terminals
Function
Explanation
X3.6
X3.7
G
Power-OFF
Zero volt contact required:
■ Closed: Heat pump in operation
■ Open: Heat pump shut down
■ Breaking capacity 230 V~, 0.15 A
Connect on site; remove jumper when con-
necting.
Note
■ The supply voltage to the relevant com-
ponents (subject to power supply utility)
is switched off by the power-OFF contact
signal.
■ The power supply to the heat pump con-
trol unit (3 x 1.5 mm
2
) and the cable for
the power-OFF signal can be combined
in a 5-core cable.
■ For further information regarding the
power supply utility, see from
page 58 onwards.
X3.8
X3.9
■ Type AWS-AC:
Contact humidistat and/
or frost stat
or
Jumper
■ Type AWS:
Jumper
Zero volt contact required:
■ Closed: Safety chain has continuity
■ Open: Safety chain interrupted; heat
pump shut down
■ Breaking capacity 230 V~, 0.15 A
Connect on site:
■ Connected in series if both safety com-
ponents are installed.
■
Insert jumper if no safety compo-
nents are installed.
X40
Power supply to heat
pump control unit
ON/OFF switch at the programming unit
Installation sequence
Electrical connection
(cont.)
5724 152 GB
Summary of Contents for AWS 104
Page 5: ...5 Certificates Declaration of conformity 119 Keyword index 120 Index Index cont 5724 152 GB...
Page 87: ...87 Opening programming unit 3 2 1 2x Troubleshooting Repairs cont 5724 152 GB Service...
Page 89: ...89 Removing separating plate 1 2 Troubleshooting Repairs cont 5724 152 GB Service...
