Johnson Controls G77 Series Installation Sheets Manual page 2

Table 1: Specifications
Ignition Type
Ignition Source
High Voltage Cable
Maximum Length
Flame Sense Cable
Maximum Length
Flame Detection Means
Flame Detection Types
Minimum Flame Current
Flame Failure Response
Time
Spark Gap
Ignition Trials
Ignition Trial Times
Prepurge Times
Interpurge
Automatic Recycle Delay
Period
Power Requirements
Contact Rating
Ambient Operating and
Storage Temperature
Humidity
Wiring Connections
Types of Gas
Packaging
Bulk Pack Quantity
Bulk Pack Weight
Agency Listing
Specification Standards
*Timings listed are for 60 Hz operation. Timings increase 20% for 50 Hz operation.
The performance specifications are nominal and conform to acceptable industry
standards. For application at conditions beyond these specifications, consult the local
Johnson Controls office. Johnson Controls, Inc. shall not be liable for damages resulting
from misapplication or misuse of its products.
Refer to the G77x Series Product Bulletin (LIT-4350430) for necessary information on operating
and performance specifications of this product.
2 GG77x Intermittent Pilot Ignition Controls Technical Bulletin
All manuals and user guides at all-guides.com
Indirect
High voltage spark, capacitive discharge
1,220 mm (48 in.)
1,220 mm (48 in.)
Flame rectification
Integral and remote
0.15 microampere
0.8 second maximum
1.5 seconds maximum (G776_G models only)
2.5 mm (0.1 in.) nominal
1 or 3
8, 25, 50, 85, or 120 seconds*
0, 4, 15, or 30 seconds*
0, 15, or 30 seconds*
No recycle (G770, G777)
5 minutes* (G775, G779)
60 minutes* (G776, G778)
Control:
Operation Current: 0.2A nominal + valves
Main Valve:
Pilot Valve:
-40 to 70°C (-40 to 160°F) standard models
-40 to 80°C (-40 to 175°F) high temperature models
95% RH non-condensing
Spark: Spike, Rajah, or 6.35 mm (1/4 in.) male spade
Control: 6.35 mm (1/4 in.) male spade
4.76 mm (3/16 in.) male spade optional
Natural, Liquefied Petroleum (LP), manufactured, mixed, or
LP gas-air mixture
Bulk pack supplied to original equipment manufacturer
(individual pack optional).
50
15 kg (33 lb)
CSA (AGA/CGA) Certificate Number 164933-1073441
Australian Gas Certificate Number 4524 (G770 models only)
ANSI Standard Z21.20, Z21.20a, Z21.20b
CAN/CSA-C22.2 No.199
24 VAC, 60 Hz, nominal
2A continuous, 5A inrush
2A continuous, 5A inrush