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22/01/09 - 300008281-001-E
GT 220 - GT 2200
3.
Installation
Installation with 1 direct radiator heating circuit (without mixing valve)
Control panels possible for this type of installation:
• 1-stage burner:
- Control panel
B
- Control panel
D (DIEMATIC 3)
,
• 2-stage burner - Modulating burner:
- Control panel
B2
- (2 stages)
- Control panel
D (DIEMATIC 3)
+ PCB 2-stage burner / modulating
burner / 3-way valve - Package AD217.
Panel B/B2 is fitted as standard to control a second direct circuit
(Room temperature thermostats optional).
B
Control panel
B/B2
Control panel
D (DIEMATIC 3)
1-stage burner: Control panel delivered as standard (without optional
equipment)
or
2-stage burner - Modulating burner:
Control panel
D (DIEMATIC 3)
+ Package AD217