Installation 
max. 2.5 mm
2
 
Fig. 6: Wiring the terminal 
 
3.1.1.  Connections for HC60NG 
(R6660D1009) 
CAUTION  Incorrect wiring! 
►  Install in accordance with local wiring 
regulations. 
►  Observe ambient temperature and 
current limits (see HC60NG wiring 
label). 
 
 
 
The green LED on the receiver indicates demand 
from the thermostat NOT that the heating will be 
on, this depends on the programmer settings. 
 
CAUTION  Incorrect wiring! 
Honeywell accepts no liability for any 
loss or damage arising from any errors 
or omissions that may be inadvertently 
contained within this sketch. This is a 
proposal sketch only, not a certified 
wiring diagram. 
 
 
Output rating 
24–230 V AC 
 
A-B max. 6.5 A (3 A, cos φ = 0.6) 
►  This diagram must be read in 
conjunction with any boiler or cylinder 
manufacturers instructions. 
A-C max. 5.0 A (3 A, cos φ = 0.6) 
 
Fig. 8: Wiring diagram for HC60NG 
 
 
 
 
1
2
2
 
 
 
Fig. 9: Closing the terminal and housing cover 
Fig. 7: Wiring diagram for HC60NG 
 
 
7