Table of Contents
Advertisement
INSTALLATION, OPERATION & MAINTENANCE
INTRODUCTION
ENVIRO-TEC
fan
coils
investment which can, with proper installation,
operation, and regular maintenance, give trouble-
free operation and long service.
Your equipment is initially protected under
the
manufacturer's
however, this warranty is provided under the
condition that the steps outlined in this manual for
initial
inspection,
proper
periodic maintenance, and everyday operation of the
equipment be followed in detail.
Supersedes ET115.24-NOM1 (615)
HP SERIES
(HPP Plenum Return Shown)
represent
a
prudent
standard
warranty;
installation,
regular
HP SERIES FAN COILS
Form ET115.24-NOM1 (519)
This manual should be fully reviewed in advance
of any actual work being done on the equipment.
Should any questions arise, please contact your
local Sales Representative or the factory BEFORE
proceeding.
The equipment covered by this manual is available with
a vast variety of options and accessories. Consult
the approved unit submittal, order acknowledgement,
and other manuals for details on the options and
accessories provided with the equipment on each
project.
Advertisement
Table of Contents
Troubleshooting
Subscribe to Our Youtube Channel
Related Manuals for Enviro HP Series
Summary of Contents for Enviro HP Series
-
Page 1: Introduction
HP SERIES FAN COILS INSTALLATION, OPERATION & MAINTENANCE Supersedes ET115.24-NOM1 (615) Form ET115.24-NOM1 (519) HP SERIES (HPP Plenum Return Shown) INTRODUCTION This manual should be fully reviewed in advance ENVIRO-TEC coils represent prudent of any actual work being done on the equipment. -
Page 2: Safety Symbols & Precautions
Use flame and heat pro- connected prior to servicing. Electric tection barriers where needed. Have Heaters may start automatically, dis- fire extinguisher available and ready connect all power and control circuits for immediate use. prior to servicing to avoid burns. ENVIRO-TEC... -
Page 3: Table Of Contents
VALVES & PIPING .............................16 DRAIN ................................16 FILTERS ................................16 FILTER REPLACEMENT ...........................16 REPLACEMENT PARTS ...........................17 HP SERIES COIL CONNECTION SIZES ......................18 ECM VARIAbLE SPEED MOTOR bALANCING INSTRUCTIONS .....................19 FAN CALIbRATION WITH ECM MOTOR ....................20 TROUbLE SHOOTING GUIDELINES ......................21 CHECKING ECM CAbLES .........................22 ECM 3-SPEED (CONSTANT TORQUE) TROUbLESHOOTING GUIDELINES ......................23... -
Page 4: Code Compliance
Return Authorization Number will be issued. Unauthorized return shipments of equipment and shipments not marked with an authorization number will be refused. In addition, the manufacturer will not accept any claims for unauthorized expenses. ENVIRO-TEC... -
Page 5: Handling & Installation
After the connections are completed, the system should then be tested for leaks. Since some components are not designed to hold pressure with a gas, hydronic systems should be tested with water. ENVIRO-TEC... -
Page 6: Return Air Location
Reassemble fans and torque nuts to 30 in/lbs. PLENUM BOX SERVICE PANEL Trap detail for positive cabinet static pressure The service panel on the plenum box is easily removable by removing the screws located on the sides and bottom of the service panel. ENVIRO-TEC... -
Page 7: Plenum Box Removal
15 PSIG. The drain piping and steam trap should be sized and routed to allow for proper condensate flow. (Minimum ambient temperature 35°F. Coils may freeze.) ENVIRO-TEC... -
Page 8: Ductwork Connections
If not included on the unit or furnished be familiar with the wiring diagram and nameplate on from the factory, ENVIRO-TEC supply and return the unit BEFORE beginning any wiring. This unit is grilles are available in a variety of types. -
Page 9: Telescoping Bottom Panel
Automatic air vents may be unscrewed one turn counterclockwise to speed initial venting but should be screwed in for automatic venting after start-up operations.Check to ensure that no leaks are prevalent at the coils, coil connections, piping packages, etc. ENVIRO-TEC... -
Page 10: Motor & Fan Data
1. Based on 80°F DB and 67°F WB EAT, 45°F EWT, 10°F temperature rise, high fan speed. Motor type is PSC and motor voltage is 115/1/60. Airflow under dry coil conditions. All models tested at 0.05” external static pressure. 2. Airflow rate CFM on sizes 14 through 20 exceed maximum ratings in AHRI 440 and are therefore not certified. ENVIRO-TEC... -
Page 11: Inspection & Start-Up Checklist
Start Fans, Etc. □ Verify Proper Cooling Operation □ Check All Ductwork and Units For Air □ Reinstall All Covers and Access Panels Leaks □ Record All Final Settings For Future Use □ Check All Dampers For Proper Operation ENVIRO-TEC... -
Page 12: Air System Balancing
Refer to the wiring diagram for each these conditions will not exist on properly designed unit for that unit’s individual operating characteristics. systems. Motors are permanently lubricated, PSC or ECM type and do not require field lubrication. ENVIRO-TEC... -
Page 13: Fan Assembly
Vacuuming should again follow this. Units provided Electric Heater Removal with the proper type of air filters, replaced regularly, may require periodic coil cleaning. ENVIRO-TEC... -
Page 14: Unit Weight Data
This device only operates when some problem exists and ANY condition that causes high limit cutout MUST be ENVIRO-TEC... -
Page 15: Electric Heat Selection Chart (Amps)
14.4 18.1 21.7 25.3 28.9 32.5 36.1 43.3 50.5 NOTES: 1. Shaded areas indicate kW and voltage options not available. 2. Available voltages are single phase, 60 hertz. 3. Heaters over 48 AMPs are subdivided and fused per NEC. ENVIRO-TEC... -
Page 16: Face Area, Free Area And Filter Sizes
5. 00 [0. 46] (2) 16 x 25 [406 x 635] 5. 14 [0. 48] 12. 0 [1. 11] 17. 0 [1. 58] NOTES: 1. Face and free areas are in square feet [square meters]. 2. Filter sizes are in inches [millimeters]. ENVIRO-TEC... -
Page 17: Replacement Parts
Contact the local Sales Representative before attempting any unit modifications. Any modifications not authorized All equipment and components sold through ENVIRO- by the factory could result in personal injury and damage TEC are warranted under the same conditions as the to the unit and could void all factory warranties. -
Page 18: Hp Series Coil Connection Sizes
FORM ET115.24-NOM1 (519) HP Series Coil Connection Sizes Drawings are representative and may vary depending on selected unit options. For specific unit dimensions and options information, please refer to applicable submittal drawings MODEL “HPF” HIGH PERFORMANCE FREE RETURN FAN COIL UNIT MODEL “HPP”... -
Page 19: Ecm Variable Speed Motor Balancing Instructions
16 A & B 15 A & B Remote manual jumper “G” actvation line Analog input 2 - 10 VDC Signal common VDC test loop PWM output Manual speed Comon test loop adjustment (SPD) LD14390 FIG. 1 - PCB LAYOUT ENVIRO-TEC... -
Page 20: Fan Calibration With Ecm Motor
10.0 VDC. (For units shipped prior to April 2011, do not set voltage lower than 2.1 VDC or higher than 9.9 VDC). 3. WARNING: Input voltages which are less than or greater than the limits defined above may cause erratic motor operation and eventual failure. FIG. 2 - FAN CALIBRATION CURVES ENVIRO-TEC... -
Page 21: Trouble Shooting Guidelines
Figure 3). Use ohmmeter to check continuity. Repeat process for three wire power cable if signal cable does not appear to be defective (see Figure 3). Only very light force is required when inserting meter probe into plug. Ex- cess force will damage contacts. ENVIRO-TEC... - Page 22 Green wire to P2 (Fan On/Off*) of Fan Relay or Curtis Block Blue wire to P7 (LCOM) Red wire to P6 (LED) BLUE of ETPWM board GREEN of ETPWM board LD13843 LD13844 FIG. 3 - MOTOR TERMINAL WIRING W/ECM MOTORS ENVIRO-TEC...
-
Page 23: Ecm 3-Speed (Constant Torque) Troubleshooting Guidelines
FORM ET115.24-NOM1 (519) TROUBLESHOOTING GUIDE FOR ECM 3-SPEED CONSTANT TORQUE MOTOR ENVIRO-TEC... -
Page 24: Checking Ecm Cables
FORM ET115.24-NOM1 (519) TROUBLE SHOOTING GUIDE FOR ECM 3-SPEED CONSTANT TORQUE MOTOR ENVIRO-TEC... - Page 25 FORM ET115.24-NOM1 (519) TROUBLE SHOOTING GUIDE FOR ECM 3-SPEED CONSTANT TORQUE MOTOR ENVIRO-TEC...
-
Page 26: Troubleshooting Guide For Fan Coil Relay Board
P10– P6 = 277V ages (115V/P7 or 208V/P3 or 230V/P4 or 277V/ P5). See Figure 4 below. Connect jumper wire between 2 points for motor power or 208V, 230V, 277V LD13950 FIG. 4 - FAN COIL RELAY BOARD WITH MOTOR POWER CONNECTIONS ENVIRO-TEC... - Page 27 “G” terminal. board to local sales representative. For thermostat with 3 speed switching, remove JP1 but leave JP3 installed. FIG. 5 - FAN COIL RELAY BOARD (CURRENT) LD13952 FIG. 6 - FAN COIL RELAY BOARD (OBSOLETE) LD13951 ENVIRO-TEC...
- Page 28 P16 “MED” quick connect input. and thermostat cooling output. Convenience terminal, not L – Low speed control input for onboard relay. Parallels the connected to anything else on board. P15 “LOW” quick connect input. HEAT (P22) – Same functionality as W1 when operating ENVIRO-TEC...
-
Page 29: Example Wiring Diagrams
FORM ET115.24-NOM1 (519) EXAMPLE WIRING DIAGRAMS Typical 24VAC Control Drawing (refer to unit control enclosure for actual order specific drawings) ENVIRO-TEC... - Page 30 FORM ET115.24-NOM1 (519) EXAMPLE WIRING DIAGRAMS ENVIRO-TEC...
- Page 31 FORM ET115.24-NOM1 (519) EXAMPLE WIRING DIAGRAMS Example with ECM Motor ENVIRO-TEC...
-
Page 32: Instructions For Remote Thermostat Or Remote 3-Speed Switch
INSTRUCTIONS FOR REMOTE THERMOSTAT OR REMOTE 3-SPEED SWITCH To install remote speed switch to motor , perform the following: Step 1: Cut Quick Ends Step 2: Strip Wire End Step 3: Wire Nut Remote Thermostat or Remote 3-Speed Switch on Motor ENVIRO-TEC... -
Page 33: Appendix
Contact local sales office for copies of documentation listed above. ENVIRO-TEC is a registered trademark of Johnson Controls, Inc. in the United States of America and other countries. Other trademarks used herein may be trademarks or registered trademarks of other companies.
Need help?
Do you have a question about the HP Series and is the answer not in the manual?
Questions and answers