Technical Guide

246681-YTG-C-0611
2 Unitary Products Group
TABLE OF CONTENTS
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
TABLE OF CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . . 2
YORK UERV MODEL NOMENCLATURE . . . . . . . . . . . 3
APPLICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
PRINCIPLE OF OPERATION . . . . . . . . . . . . . . . . . . . . . 4
AHRI/ANSI STANDARD 1060-2005 FOR AIR-TO-AIR EN-
ERGY RECOVERY VENTILATION EQUIPMENT . . . . . 4
ENERGY RECOVERY WHEEL . . . . . . . . . . . . . . . . . . . . 4
CROSS LEAKAGE IN UERV’S (PURGE SECTORS) . . . 5
OPTIONAL ACCESSORIES - FIELD INSTALLED . . . . 5
OPTIONAL ACCESSORIES - FACTORY INSTALLED 6
HOW TO SELECT THE PROPER AIR
CONDITIONING UNIT AND UNITARY ENERGY RECOV-
ERY VENTILATOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
GUIDE SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . 23
GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
APPROVALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
OPTIONS 23
SEQUENCE OF OPERATION: . . . . . . . . . . . . . . . . . . 24
UERV TROUBLESHOOTING GUIDE . . . . . . . . . . . . . 25
UERV BELOW 600 CFM WITH STATIONARY WHEEL
(NO ECONOMIZER) . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
UERV ABOVE 600 CFM WITH STATIONARY WHEEL
(NO ECONOMIZER) . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
UERV ABOVE 600 CFM WITH PIVOTING WHEEL (USED
WITH ECONOMIZER) . . . . . . . . . . . . . . . . . . . . . . . . . . 26
LIST OF FIGURES
Fig. # Pg. #
1 UNITIZED ENERGY RECOVERY
VENTILATOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2 ENERGY RECOVERY WHEEL . . . . . . . . . . . . . . . . . . 6
3 “P” SERIES PIVOTING WHEEL FOR UNITS W/ECONO-
MIZERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
4 UERV DIMENSIONAL DATA - 036 THROUGH 060 . 20
5 UERV DIMENSIONAL DATA - 037 THROUGH 150 (3 -
12 1/2 TONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
6 UERV DIMENSIONAL DATA - 180 THROUGH 300 (15 -
25 TONS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
7 MILLENNIUM UNIT VR074 AND VR122 (25 - 40 TON)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
8 STAND ALONE UERV’S FOR SIDE BY SIDE DUCT AR-
RANGEMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
9 STAND ALONE UERV’S FOR OVER AND UNDER
DUCT ARRANGEMENTS . . . . . . . . . . . . . . . . . . . . . . 26
LIST OF TABLES
Tbl. # Pg. #
1 UERV OUTSIDE AIR CFM SELECTION BY CFM . . . . 5
2 PERFORMANCE - 3 THROUGH 12 1/2 TON UNITS . 7
3 PERFORMANCE - 15 THROUGH 25 TON UNITS . . . 8
4 PERFORMANCE - PIVOTING WHEEL MODELS . . . . 9
5 SPECIFICATIONS AND ELECTRICAL DATA - 300
THROUGH 550 CFM ERV’S . . . . . . . . . . . . . . . . . . . 10
6 SPECIFICATIONS AND ELECTRICAL DATA - 600
THROUGH 1700 CFM ERV’S . . . . . . . . . . . . . . . . . . 11
7 SPECIFICATIONS AND ELECTRICAL DATA - 1500
THROUGH 2800 CFM ERV’S . . . . . . . . . . . . . . . . . . 12
8 SPECIFICATIONS AND ELECTRICAL DATA - 2800
THROUGH 3600 CFM ERV’S . . . . . . . . . . . . . . . . . . 13
9 SPECIFICATIONS AND ELECTRICAL DATA - 3400
THROUGH 5600 CFM ERV’S . . . . . . . . . . . . . . . . . . 14
10 SPECIFICATIONS AND ELECTRICAL DATA - 5500
THROUGH 6200 CFM ERV’S . . . . . . . . . . . . . . . . . . 15
11 SPECIFICATIONS AND ELECTRICAL DATA - 6000
THROUGH 13000 CFM UERV’S . . . . . . . . . . . . . . . . 16
12 BLOWER PERFORMANCE CHART - VR074 . . . . . . 20
13 BLOWER PERFORMANCE CHART - VR122 . . . . . . 20