Preferred FlexFit 110 User Manual

Specications – Safety Cautions and Warnings vii
FlexFit – Linkageless Control – Revision 1.0
PREFERRED
UTILITIES MFG CORPORATION
Terminal # Description Rating
S2 Unused
24 Fuel 1 Select Input 120 VAC, 5 mA
25 Fuel 2 Select Input 120 VAC, 5 mA
26 FD Fan Mode Input (0V = VSD; 120V = Fixed Speed) 120 VAC, 5 mA
27 LFH or DHW CFH Input 120 VAC, 5 mA
28 Remote Reset Input 120 VAC, 5 mA
Fl+ Flame Intensity Input + 4-20 mA
Fl- -
FR Flame Signal Input 120 VAC, 5 mA
Table A FlexFit 110 Flame Safeguard Terminal Ratings
Table B
Combination # Ignition (TW)
Pilot Valve/Igni-
tion (T5)
Pilot/Downstream
Fuel Valve (T6)
Main Fuel Valve
(T7)
1 No Load C No Load E
2 No Load B No Load E
3 No Load No Load B E
4 A E No Load E
5 A No Load E E
6 A D No Load E
7 A No Load D E
8 A D No Load D
9 A No Load D D
10 A No Load No Load E
11 A D E E
Combinations for Fuel & Ignition Terminals
Table C
A B C D E
4.5A Ignition @ 120
VAC
50 VA Pilot Duty plus
4.5A Ignition @ 120
VAC
180 VA Ignition plus
motor valves with 660
VA inrush, 360 VA
open, 250 VA hold
2A Pilot Duty @ 120
VAC
65 VA Pilot Duty plus
motor valves with 3850
VA inrush, 700 VA
open, 250 VA hold
Explanation of Each Combination
Safety Cautions and Warnings
Throughout this manual, numerous cautions are warnings are called out with a symbol. These warning could be either in
the main text or in a side note. Before attempting to install, commission, or operate this equipment, the technician or user is obligated
to read all sections of this manual and to adhere to the precautions and warnings herein to ensure the safety of all personnel and to
maintain the integrity of the operating equipment and systems to which this equipment is applied. If the reader has any doubt about
any of the requirements, it is his/her obligation to consult the supplier.
The manufacturer of this equipment accepts no liability for any consequences resulting from the inappropriate, negligent, or
incorrect installation, commissioning, or adjustment of operating parameters of this equipment.
WARNING
The equipment covered in this manual can cause extreme property damage, severe injury, or death. It is the
responsibility of the owner or user to ensure that the equipment described herein is installed and commis-
sioned in compliance with the requirements of all national and local legislation, whichever may prevail.
WARNING
The installation and
commissioning of this
product must be carried
out by suitably trained
personnel who are expe-
rienced with the intended
functions of this product
and the operation of the
equipment and systems
to which it is applied.

Preferred FlexFit 110 Specifications

General

Brand	Preferred
Model	FlexFit 110
Category	Controller
Language	English