Honeywell S7751A Product Data page 21

Excel 10 hand held tool
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From this screen the operator can enter a new reheat valve position (from 0.0 through 100.0 % ) and then press the Enter key
to accept the value. When commanding the position of the reheat valve use this value. To select the reheat valve direction,
press the Prev Menu key which displays the REHEAT VALVE menu screen. Select the Direction menu item and then press
the Enter key which displays the following screen.
D I R E C T I O N
O p e n
Close
Stop
The operator can select either the Open or Close menu item and then press the Enter key to command the reheat valve to
open or close to the percentage that was entered in the previous step. For example, to verify that the reheat valve travels in
the correct direction, the operator commands the reheat valve in the Open direction and then verifies that the reheat valve is
traveling in the correct direction. Next select the Stop menu item to stop the reheat valve movement (de-energize) and then
select the Close menu item which commands the reheat valve in the close direction. Verify that the reheat valve is traveling in
the correct direction.
The operator has to press the Prev Menu key to go back to the TEST MODE Main Menu screen to exercise the other outputs.
Upon leaving this menu, the HHT resynchs the reheat valve and flashes the message Resynching Valve in the following
screen.
Resynching Valve
Once the reheat valve has completed resynching, the following screen TEST MODE Main Menu displays.
T E S T M O D E
D a m p e r
Reheat Valve
Reheat Stages
F a n
Reheat Stages
Select the Reheat Stages menu item, from the TEST MODE Main Menu and then press the Enter key. If the Excel 10 was
not configured for reheat stages, the HHT speaker beeps to inform the operator and the display remains at the TEST MODE
Main Menu. Otherwise the HHT displays the following screen containing six sub-menu items.
R E H E A T S T A G E S
All Off
Stage 1 On
Stage 2 On
Stage 3 On
Stages 1 & 2 On
All On
The operator can select the first selection, All Off and then press the Enter key to make sure all of the reheat stages are Off.
The display remains at the REHEAT STAGES menu after the Enter key is pressed. Choose one of the Stage selections ( 1
On , 2 On , 3 On , 1 & 2 On or All ON ) and then press the Enter key. The operator should verify that the appropriate Stage or
Page 21
EXCEL 10 HAND HELD TOOL
74-2566

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