Customer Service Bulletins

2018_April: Changing the Heater Setpoint from 50°F to 45°F
To: Cell Technicians and Service Contractors responsible for PM Service and Repair Subject: Changing the Heater Setpoint from 50°F to 45°F. Related Produc...
Wed, 18 Apr, 2018 at 1:31 PM
2017_December: Configuring Two Controllers on Sites with 3 WPUs
To: Cell Technicians and Service Contractors responsible for installation and repair.  Subject: Configuring 2 AIRSYS Lead Lag Controllers for sites with 3 ...
Wed, 28 Feb, 2018 at 2:56 PM
2017_December: Ordering Evaporator Coils for 3.5 Ton R407C Wall Packed Units
SUBJECT Ordering Evaporator Coils for 3.5 Ton R407C Wall Packed Units SCOPE Service Contractors responsible for installation and repair.  BACKGROU...
Mon, 4 Dec, 2017 at 12:26 PM
2017_October: Sourcing High Quality CAT5/6 Interconnect Cables for Long Term Reliability
To: AIRSYS WPU Installation Contractors Subject:  Sourcing high quality CAT5/6 interconnect cables for long term reliability Related Products (Models):...
Wed, 11 Oct, 2017 at 5:18 PM
2017_August_Why does some material reference Tempest Telecom?
To: Customers and Service Contractors Subject:  Why is "Tempest Telecom" referenced on AIRSYS printed documentation? Prior to October 2016, AIR...
Mon, 18 Sep, 2017 at 11:07 AM
2016_May_WPU and ASLLC Upgrade to Cat-5
      To: Cell Technicians and Service Contractors responsible for Installation Subject:  WPU and ASLLC Upgrades and implications Impacted Produ...
Tue, 17 May, 2016 at 8:54 AM
2016_May_Turning on De-Humidification Mode
To: Cell Technicians and Service Contractors responsible for PM Service and Repair. Subject:  Turning on New Automatic De-humidification Mode Background...
Tue, 11 Jul, 2017 at 8:11 PM
2015_September: Changing Cooling Set-point from 77 to 79
To: Cell Technicians and Service Contractors responsible for PM Service and Repair Subject:  Changing Cooling Setpoint Product: AIRSYS WPUs (all sizes...
Thu, 8 Oct, 2015 at 4:30 PM
2015_July: Resolving High Humidity for Low Heat Load Sites
To: Service Contractors responsible for PM Service and Repair Subject: Resolving high indoor humidity issues in cell sites Product: AIRSYS WPUs (all m...
Mon, 9 Nov, 2015 at 9:27 AM
2014_June: Damper Actuator Alarm (A24/25): Increasing alarm tolerance
To: Service Contractors responsible for PM Service and Repair Subject: Increasing alarm tolerance for temperature differential Product: AIRSYS WPUs (all ...
Tue, 29 Mar, 2016 at 8:51 AM