59
Rev. 2
SYSTEM OPERATION
0 10 27 31 34 64 94 0 5 30 60, 90 90, 120,
120, or 150, or
180 210
Air
Circulator
Blower
Gas Valve
Ignitor
Pressure
Switches
Induced Draft
Blower
Thermostat
High
Low
Off
On
Off
On
Off
PS2 Closed
PS1 Closed
Open
High
Low
Off
High
Low
Off
Timing Charts For GUIV Variable Speed Two Stage
Integrated Ignition Control Operation
0 10 27 31 34 64 94 0 5 30 60, 90 90, 120,
120, or 150, or
180 210
Air
Circulator
Blower
Gas Valve
Ignitor
Pressure
Switches
Induced Draft
Blower
Thermostat
High
Low
Off
High
Low
Off
On
Off
PS2 Closed
PS1 Closed
Open
High
Low
Off
High
Low
Off
GUIV Example 2: Continuous Call For High Stage Heat Only
GUIV Example 1: Continuous Call For Low Stage Heat Only
Содержание GCIA045A30
Страница 34: ...BLOWER PERFORMANCE SPECIFICATIONS 34 Rev 2...