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5

9510-1236  Rev -
9-15-14

Pipe Sensor:

A pipe sensor can be used to determine whether there is hot or cold 
water in a two pipe system.  To activate the pipe sensor, install as 
shown and then see programming instructions.

Mount the pipe sensor to the water pipe.  The best location is to be as
close to the main pipe as possible and attached before the water valve
connection.  

Water

Main

Valve

Sensor

Wire
Ties

Refer to the programming instructions for selecting the pipe sensor
function, temperature changeover settings, output configurations, purge
frequency and purge time duration.  The thermostat will monitor pipe
temperature every 5 seconds.  For a valveless systems,  select the

2Pn

 configuration setting since this will bypass the valve purge

functions and provide heating or cooling based on pipe temperature 
alone.   
The 

2PS

 and 

2PE

 configurations operate with a valve purge function

to prevent incorrect temperature readings from static or standing water 
in the pipe.  The valve purge operates on a programmed interval
(purge frequency) for a programed duration (purge time duration)
in the event of low activity over an extended period of time.  
If the heat or cool call has lasted for more than three minutes,  the 
pipe temperature heat or cool mode is rechecked to verify proper 
operating mode.

Pipe Sensor

Blue/white wire

Green wire

Contains FCC ID:  SZV-STM300U
Contains IC:  5713A-STM300U
The enclosed device complies with Part 15 of the
FCC Rules.
Operation is subject to the following two conditions:
(i.) this device may not cause harmful interference
and (ii.) this device must accept interference received,
including interference that may cause undesired
operation.

Verve LS & 

PSG Controls, Inc.

LIMITED WARRANTY POLICY

PSG Controls, Inc. (Hereinafter referred to as "PSG") warrants the following:
Only cataloged products  sold  to distributors  are warranted  to the  original  purchaser,  to 
conform with specifications furnished or approved by PSG, and to be free from defects in 
material and workmanship, for a period of one (1) year from the date of purchase, unless 
specified in writing for a different period.
Any  PSG product  that  proves  defective within  the above described warranty  period  will 
be repaired or replaced (at  PSG's  option) free of  any charge if returned  to the  PSG 
factory at 1225 Tunnel  Road,  Perkasie,  PA.  18944 with transportation charges  prepaid.  
Prior to returning  this product  to  PSG,  the  purchaser shall  give PSG  notice in  writing 
stating  how  this product  fails to fulfill this warranty.  No  product  shall  be accepted  for 
repair or replacement  without  a required written  notice and  without  prior  written 
authorization  and shipping  instructions having been received by  the purchaser  from 
PSG.  Only PSG's factory is authorized to perform services under this warranty.
This warranty does not extend to any product that has been subjected to misuse, abuse, 
neglect,  accidents, alterations,  improper installation  or  use in violation  of  the  printed 
instructions  furnished  by  PSG.    This  warranty neither  applies  to  batteries nor 
deterioration of, nor damage to the product caused by the use of faulty batteries.  Final 
determination as to whether any product is actually defective rests solely with PSG.  
This  warranty  is  expressly in  lieu of  all other  agreements  and warranties,  expressed, 
implied, or statutory and PSG has no other obligations or liabilities in connection with this 
product.  In no event  shall  PSG's obligation or liability  hereunder exceed the purchase 
price  of  this  product.  PSG  SHALL NOT  IN  ANY  EVENT  BE  LIABLE FOR  ANY 
INCIDENTAL OR CONSEQUENTIAL DAMAGES.  This warranty gives you specific legal 
rights, and you also have other rights which vary from state to state.  Some states do not 
allow  the  exclusion or limitation  of  incidental  or  consequential  damages, or implied 
warranties, so the above limitations or exclusion may not apply to you.

Toll free technical assistance is available

via our technical hotline: 1-800-523-2558

Mon-Fri, 8:00 A.M. to 4:30 P.M. Eastern Standard Time

R

PSG Controls, Inc.

[email protected]

Summary of Contents for VTST-LNV WiSPER

Page 1: ...e PTHP PTAC systems This thermostat also has the capability to receive and transmit to EnOcean enabled wireless products Please see programming instructions for more details Switching of load circuits is through relay contacts see specifications for applicable load ratings The fan cycles on off with calls for heating or cooling or can be on continuously in either low or high speed when configured ...

Page 2: ...H FAN BLACK Hot pipe Cool pipe switch Aquastat or season change 2 pipe FAN COIL with aquastat 3 speed fan R CONTROL FEED N NEUTRAL GH HIGH FAN SPEED GM MEDIUM FAN SPEED GL LOW FAN SPEED HT HEAT VALVE CL COOL VALVE LINE VOLTAGE LOW ORANGE CL RELAY SYSTEM COMPONENTS MECHANICAL CLG CONTROLLER 888 8 RED YELLOW W BLACK STRIPE VALVE GL RELAY HT MICROPROCESSOR FAN VALVE R GH N MEDIUM RELAY YELLOW W RED S...

Page 3: ...ture reading Locate thermostat to avoid interference Room Temperature Indicator Fan Icons Mode Icons Cool Icon Heat Icon Diagnostic Indicator Programming Icons Scale Indicator Setpoint Indicator ROOM SETPOINT AUTO ECON PROG ERASE DIAG BASIC FUNCTIONS Adjust Temperature Setpoint Press up button to raise the temperature warmer Press down button to lower the temperature cooler Select Fan Operation Pr...

Page 4: ...ure drops 0 4 F below setpoint After first cooling call cooling and low fan will turn on automatically when temperature rises 0 4 F above setpoint Cooling will turn off when temperature drops 0 4 F below setpoint Heating Heating and low fan turn on automatically when temperature drops 2 F below setpoint Fan will switch to medium speed if temperature continues to drop to 2 F below setpoint Fan will...

Page 5: ... or approved by PSG and to be free from defects in material and workmanship for a period of one 1 year from the date of purchase unless specified in writing for a different period Any PSG product that proves defective within the above described warranty period will be repaired or replaced at PSG s option free of any charge if returned to the PSG factory at 1225 Tunnel Road Perkasie PA 18944 with t...

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